Electrical communication system,申请号US19580748483-传众专利搜索

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发明名称	Electrical communication system
摘要
申请公布号	US3094588(A)	申请公布日期	1963.06.18
申请号	US19580748483	申请日期	1958.07.14
申请人	ALFRED KIENAST	发明人	KIENAST ALFRED
分类号	H04M11/00;H04M11/06;H04M19/04	主分类号	H04M11/00
代理机构		代理人
主权项
地址

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